[cfe-commits] [PATCH] Add three new sanitizers depending on ASan.

[Kostya Serebryany]

On Thu, Nov 29, 2012 at 10:04 AM, Richard Smith <richard at metafoo.co.uk>wrote:

> On Wed, Nov 28, 2012 at 9:50 PM, Anna Zaks <ganna at apple.com> wrote:
>
>>
>> On Nov 27, 2012, at 2:16 PM, Alexey Samsonov wrote:
>>
>> > Hi kcc, rsmith,
>> >
>> > This patch expose to users three more sanitizers:
>> > 1) init-order sanitizer: initialization-order checker.
>> >  Status: usable, but may produce false positives w/o proper
>> blacklisting.
>> > 2) use-after-return sanitizer
>> >  Status: implemented, but heavily understed. Should be optional, as
>> >  it significanlty slows program down.
>> > 3) use-after-scope sanitizer
>> >  Status: in progress, also see phabricator patches D140 and D141.
>> > What do you think on general approach for exposing non-default ASan
>> > features, and of branding?
>> >
>>
>> It might be useful to document these options somewhere as well as the
>> state of usability / supported OSs / false positive rates / overhead for
>> each one. The info above will change and is valuable to whoever would want
>> to experiment with these.
>>
>
> Thanks, good point, this patch should also update docs/UsersManual.html,
> which documents the available -fsanitize= values.
>

None of these options are as usable as the main asan yet.
So, if we document them, we need to mark them as "experimental".

--kcc
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